Hardware Prototype & Test Engineer
Eight Sleep · San Francisco, United States · 4d ago
Join the Sleep Fitness Movement
At Eight Sleep, we’re on a mission to fuel human potential through optimal sleep. As the world’s first sleep fitness company, we’re redefining what it means to be well-rested and building the most advanced hardware, software, and AI technology to make it possible. Our products power peak mental, physical, and emotional performance by transforming every night of sleep into a personalized, data-driven recovery experience. We are trusted by high performers, professional athletes, and health-conscious consumers in over 35 countries worldwide. Recognized as one of Fast Company's Most Innovative Companies in 2019, 2022, 2023, and 2026, and twice named to TIME's “Best Inventions of the Year.” We operate like a high-performance team: fast, focused, and motivated by impact. We don’t just ship; we iterate, refine, and obsess over the details that help our members sleep better and wake up stronger.
Every role at Eight Sleep is a chance to create cutting-edge technology, collaborate with world-class talent, and help shape a future where sleep isn’t passive - it’s a powerful tool for living better. If you’re tired of the ordinary and driven to build at the edge of what’s possible, this is your moment. Join us and lead the movement that’s transforming how the world sleeps and what we’re all capable of when we wake up.
High Standards. No Apologies.
We operate with intensity because our mission demands it. At Eight Sleep, we bring the same mindset as the world’s top performers: focused, relentless, and always pushing to be in the top 1% of our craft. Think Kobe Bryant’s mamba mentality, applied to bold ideas, next-gen tech, and flawless execution. We’re here to build fast, push limits, and deliver without compromise. If you thrive under pressure and want to do the most meaningful work of your career, you’ll feel right at home. If you’re looking for something easier –this isn’t it.
The Role
We’re looking for a Prototype & Test Engineer to help bring new electromechanical products to market. You’ll be part of a small, mission-driven team and work on multiple parts of the system. You’ll build prototypes, develop and run critical tests to validate designs, and work closely with the engineering team.
This role requires being on-site 5 days in our San Francisco office.
How you’ll contribute
Prototype and test complex electromechanical systems, including sensors, pumps, mechanisms, and electronics.
Build prototypes using techniques like 3D printing, machining, and quick turn tooling with in-house tools and external suppliers.
Design and run experiments to validate the performance of new designs, as well as track and analyze results.
Design, build, and deploy custom physical test fixtures and jigs for R&D and manufacturing environments, including specification of sensors and mechanical interfaces.
Collaborate with mechanical, electrical, and software engineering to support efforts across the product development lifecycle.
Develop test systems using embedded hardware like Arduino, and coding in Python.
What you need to succeed
1-3 years of hands-on prototyping and test experience with electromechanical systems
Proficiency with 3D modeling (eg. Solidworks, ProEngineer, etc.).
Experience using and maintaining basic shop tools like 3D printers, band saw, milling machine.
Strong written and verbal communication skills.
Experience working in a fast-paced, startup environment from concept to production.
BS in engineering or equivalent. MS preferred.
Ability to occasionally lift or push up to 50 lbs as needed.
Why join Eight Sleep?
Innovation in a culture of excellence
Join us in a workplace where innovation isn’t just encouraged - it’s a standard. Our flagship product, the Pod, is a testament to our culture of excellence, beloved by hundreds of thousands of customers worldwide. At Eight Sleep, you will be part of a team that continuously pushes the boundaries of technology in sleep fitness.
Immediate responsibility and accelerated career growth
From your first day, you’ll take on substantial responsibilities that have a direct impact on our core business and product success. We are a small team that empowers you to own your projects and see the tangible effects of your efforts, enhancing both your professional growth and our company’s trajectory. Your path will be challenging but rewarding, perfect for those who thrive in fast-paced environments aiming for high standards.
Collaboration with exceptional talent
Work alongside other bright minds like you: at Eight Sleep exceptional intelligence and a passion for breakthroughs are the norms. Our team members are not only experts in their fields but also avid innovators who thrive in our dynamic, fast-paced environment.
Your own Pod - and other great benefits
Every Eight Sleep employee receives the very product that defines our mission: a Pod of their own. If you join us you’ll get your own Pod, along with*:
Full access to health, vision, and dental insurance for you and your dependents
Supplemental life insurance
Flexible PTO
Commuter benefits to ease your daily commute
Paid parental leave
Lunch in the SF office
*List of benefits may vary depending on your location
At Eight Sleep we continually celebrate the diverse community different individuals cultivate. As an equal opportunity employer, we stay true to our values by ensuring everyone feels they can flourish and grow. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.